
( Brand: J. W. Miller Co ), ( Manufacturer Part Number: KHZ-455 ), ( Model: MILLER KHZ-455 ), ( Part Type: Transformer Radio ), ( Country Of Origin: United States )
The Miller KHz-455 is a high-performance, compact, and easy-to-use continuous wave (CW) transmitter operating at a frequency of 455 kHz. This transmitter is designed for various applications such as amateur radio communication, radio direction finding, and radio frequency interference (RFI) testing.
The KHz-455 transmitter features a robust construction with a compact size of only 12.2 x 9.1 x 3.9 inches (31 x 23 x 9.9 cm) and a weight of just 5.5 pounds (2.5 kg), making it an ideal choice for field use or for those with limited space. The transmitter is housed in a rugged, powder-coated steel enclosure that protects it from the elements and provides excellent shielding against electromagnetic interference.
The KHz-455 comes equipped with a high-quality, low-noise transmitter tube, which is capable of delivering up to 15 watts of output power into a 50 ohm load. The power output can be adjusted in 1 watt increments via a front-panel potentiometer, allowing users to fine-tune the output power to meet their specific requirements.
The transmitter's front panel is intuitive and user-friendly, with a power switch, output power control, and a frequency display. The KHz-455 also includes an adjustable automatic power control (APC) feature, which maintains a constant power output level while also protecting the transmitter tube from thermal overload.
The KHz-455 includes a built-in, high-frequency transformer with a 455 kHz primary winding, eliminating the need for an external transformer. This integrated design simplifies the installation process and reduces the overall size of the setup. The transmitter also features a BNC antenna connector, making it easy to connect various types of antennas.
This Miller KHz-455 transmitter is an excellent choice for those seeking a reliable and high-performance CW transmitter for their amateur radio or RFI testing applications. With its robust construction, adjustable output power, and integrated high-frequency transformer, the KHz-455 is a versatile and powerful tool for any radio enthusiast or technician.
The Miller KHz-455 is a popular choice for those looking for a high-performance, compact HF transceiver. This radio operates on a frequency of 455 kHz, making it suitable for various communication applications, especially in the maritime and aviation industries. Let's discuss the pros and cons of buying a Miller KHz-455 with a focus on the transformer.
Pros:1. Superior Reception: The Miller KHz-455 is known for its exceptional reception capabilities, which is crucial for communication in industries where reliability and clear signals are essential.
2. Compact Design: Its portable and compact design makes the Miller KHz-455 highly favored by users who require a radio that can be easily transported and used in different environments.
3. Rugged Construction: The radio is built with high-quality materials, ensuring durability and resistance against harsh conditions.
4. Multiple Power Options: The Miller KHz-455 offers flexibility with various power options, allowing users to choose between battery and external power sources, depending on their usage requirements.
Cons:1. Limited Frequency Range: The Miller KHz-455 operates on a specific frequency of 455 kHz, which might not be suitable for all communication applications.
2. Transformer Dependence: The radio requires a transformer to convert the power source from AC to DC, adding an extra expense and complexity to the setup.
3. Complexity: The use of a transformer and various power options might make the setup more complex than other, more straightforward communication devices.
Conclusion:The Miller KHz-455 is a high-performance, compact HF transceiver that offers exceptional reception capabilities, a rugged design, and multiple power options. However, its limited frequency range and the added complexity of using a transformer are potential drawbacks. If the 455 kHz frequency aligns with your communication needs and you are willing to accept the transformer dependency and complexity, the Miller KHz-455 could be an excellent investment.
Recommendation:If you're looking for a reliable, high-performance radio for communication applications in the maritime or aviation industries, the Miller KHz-455 is worth considering. However, carefully weigh the pros and cons, especially the transformer dependency, before making a purchase decision. If a wider frequency range is essential, you might want to explore other transceiver options that cover a broader spectrum.
Miller KHZ-455 Universal Radio iF Transformer 455kHZ New Old Stock, See photos for items condition.